Dell ST2220L User Manual

Dell™ST2220L/ST2220MmonitorUser'sGuide
Notes, Notices, and Cautions
Information in this document is subject to change without notice.
©2010Dell™Inc.Allrightsreserved.
Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.
Trademarks used in this text: Dell and the DELL logo are trademarks of Dell Inc. Microsoft and Windows are either trademarks or registered trademarks of Microsoft Corporation in
theUnitedStatesand/orothercountries;ENERGY STAR is a registered trademark of the U.S. Environmental Protection Agency. As an ENERGY STAR partner, Dell Inc. has
determined that this product meets the ENERGY STAR guidelines for energy efficiency.
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Inc. disclaims any
proprietary interest in trademarks and trade names other than its own.
ST2220Lb/ST2220Mb/ST2220Lc/ST2220Mc
June2010Rev.A00


About Your Monitor
Setting Up the Monitor
Operating the Monitor
Solving Problems
Appendix
NOTE: A NOTE indicates important information that helps you make better use of your computer.
NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem.
CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.

Dell ST2220L Specifications

General

3D	No
Pixel pitch	0.248 x 0.248 mm
Aspect ratio	-
Display diagonal	21.5 \
Viewing angle, vertical	160 °
Contrast ratio (dynamic)	8000000:1
Display number of colors	16.78 million colors
Viewing angle, horizontal	170 °
Display brightness (typical)	250 cd/m²
Supported graphics resolutions	1920 x 1080 (HD 1080)
HDCP	Yes
DVI-I ports quantity	0
Panel mounting interface	No mm
Input current	2 A
AC input voltage	100 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (max)	28 W
Power consumption (off)	0.5 W
Power consumption (standby)	1 W
Power consumption (typical)	20 W
Product color	Black
Market positioning	Business
Sustainability certificates	EPEAT Silver, ENERGY STAR

Weight and Dimensions

Depth (with stand)	230 mm
Width (with stand)	508 mm
Height (with stand)	386 mm
Weight (with stand)	4082 g
Width (without stand)	- mm
Weight (without stand)	- g

Summary

About Your Monitor

Package Contents

Lists all components included with the monitor.

Product Features

Details the key features and specifications of the monitor.

Identifying Parts and Features

Locates and describes monitor controls, ports, and views.

Appendix

Safety Instructions

Important safety precautions for operating the monitor.

FCC Notice (U.S. Only) and Other Regulatory Information

Regulatory compliance details and information for the monitor.

Contacting Dell

Information on how to contact Dell customer support and services.

Setting Up Your Monitor

Setting the Maximum Resolution

Instructions for setting the display resolution to 1920x1080.

Attaching the Base

Step-by-step guide for assembling and attaching the monitor stand.

Connecting the Monitor

Procedures for connecting the monitor to a computer using various cables.

Attaching the Soundbar (Optional)

Instructions for attaching the optional Dell Soundbar to the monitor.

Removing the Monitor Stand

Steps for detaching the monitor stand assembly from the monitor.

Operating the Monitor

Using the Front Panel Controls

Explains the function of each button on the monitor's front panel.

Using the On-Screen Display (OSD) Menu

Guide to navigating and adjusting monitor settings via the OSD menu.

Adjusting Display Settings

How to adjust visual parameters like mode, position, sharpness, and contrast.

Adjusting Audio Settings

Guide to configuring audio output sources and power saving modes.

Other Settings

Explains advanced settings like language, OSD timeout, and factory reset.

Personalize Front Panel Controls

How to assign functions to the front panel shortcut keys for quick access.

Solving Problems

Self-Test

Procedure to check monitor functionality when no video signal is detected.

Built-in Diagnostics

Tool to diagnose screen abnormalities and determine hardware issues.

Common Problems

Troubleshooting guide for frequent issues like no picture, poor focus, or bad color.

Troubleshooting the Dell™ Soundbar (Optional)

Solutions for common issues related to the optional Dell Soundbar.